The 27-year-old fashion designers kept it pretty conservative and showed very little skin in their long-sleeved dresses that evening.
Earlier in the day, MK&A attended the grand opening of the Anna Wintour Costume Center at the museum as they geared up for the big night.
FYI: MK is wearing vintage Ferre. Ashley in vintage Chanel. Both from Lily et Cie vintage shop in Beverly Hills.
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